When working for Motorola, he was part of a forum sponsered by III-V's magazine.
I cannot copy it. Here is the link. Click on Download full text in Pdf.
Take a look in the black square.
Materials panel discussion.... viability and commercialisation of GAas...
http://ac.els-cdn.com/S0961129002850773/1-s2.0-S0961129002850773-main.pdf?_tid=0d835d8a-1086-11e5-a7f9-00000aab0f01&acdnat=1434060544_6177a0afbc3ab19e8e0c9698a1c3a49a